These Caliber Conversions contain all the parts necessary to change
your firearm from it's existing caliber
down to the inexpensive .22LR rimfire cartridge. The conversion
takes less than a minute. It is achieved with no permanent alterations to your firearm. It can be quickly
returned to it's original caliber.
They allow semi-auto .22LR fire in semi-auto guns or select-fire operation in
select-fire guns.

Remember our conversions are the ONLY
available with
magazine capacity over 10 rounds!!!

The
"Atchisson" MKIII
AR15 / M16 .22LR
Conversion Unit

Open your gun, pull out the
bolt/bolt carrier assembly, slide the unit in, close the gun insert the .22LR
magazine, SHOOT .22LR. It's just that easy!

Unit in "Colt" M16A1

M16 Unit in
fitted case

AR15 Unit

$155.00 w/10 RD Mag.
$159.00 w/30 RD Mag.

M16 Unit

$189.00 w/30 RD Mag.(The ONLY conversion that supports full auto mode in the
M16.)